[GR-71974] Compatibility Mode for Native Image.#12756
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[GR-71974] Compatibility Mode for Native Image.#12756graalvmbot wants to merge 1 commit intomasterfrom
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This was referenced Jan 13, 2026
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The goal of this mode is to remove native-image implementation-specific behavior: no build-time initialization on classpath, no custom system properties for native image, no substitutions on classpath, no user features, future defaults enabled by default. It still does not modify the key restrictions of Native Image which are related to dynamic access and run-time class loading. Also, this mode still does not disable flags such as --features and --initialize-at-build-time from the command line. This will be discussed separately and done in a separate PR. To get the same behavior as the underlying language it is recommended to use this flag with: native-image -H:+CompatibilityMode -H:Preserve=all -H:+RuntimeClassLoading App And to run it with: ./app -Djava.home=<path-to-java-home> -Djava.class.path=<cp> -Djdk.module.path=<module-path>
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The goal of this mode is to remove native-image implementation-specific behavior: no build-time initialization on classpath, no custom system properties for native image, no substitutions on classpath, no user features, future defaults enabled by default.
It still does not modify the key restrictions of Native Image which are related to dynamic access and run-time class loading.
To get the same behavior as the underlying language it is recommended to use this flag with:
And to run it with:
The Native Build Tools PR that accompanies this one:
graalvm/native-build-tools#822